update the login page

deal with the user operations

pages/login/login.js

@@ -0,0 +1,128 @@
+// pages/login/login.js
+Page({
+
+  /**
+   * initial page
+   */
+  data: {
+
+  },
+
+  /**
+   *  Life cycle function - listen to page load
+   */
+  onLoad: function (options) {
+    this.setData({ disabled: true })
+
+  },
+
+  /**
+   *  Life cycle function - the first rendering of the listening page.
+   */
+  onReady: function () {
+
+  },
+
+  /**
+   * Life cycle function - monitor page display.
+   */
+  onShow: function () {
+
+  },
+
+  /**
+   * Life cycle function - the listening page is hidden.
+   */
+  onHide: function () {
+
+  },
+
+  /**
+   * Life cycle function - monitor page uninstall.
+   */
+  onUnload: function () {
+
+
+  },
+
+  /**
+   *Page correlation event handler - listen to the user to pull.
+   */
+  onPullDownRefresh: function () {
+
+  },
+
+  /**
+   *  The handle function of the bottom event on the page.
+   */
+  onReachBottom: function () {
+
+  },
+
+  /**
+   * Users click the top right corner to share.
+   */
+  onShareAppMessage: function () {
+
+  },
+
+  /**
+   * input name funcion
+   */
+  nameInput: function (e) {
+    console.log(e.detail.value);
+    if(e.detail.value){
+      this.setData({ disabled: false });
+      this.setData({
+        name: e.detail.value
+      })
+    }
+    else{
+      this.setData({ disabled: true });
+    }
+
+  }, 
+
+  /**
+   * login function
+   */
+  login: function () {
+    if (!this.data.name) {
+      wx.showToast({
+        title: 'Invalid',
+        icon: 'none',
+        duration: 2000
+      })
+    } else {
+      // 这里修改成跳转的页面 
+      wx.showToast({
+        title: 'Success',
+        icon: 'success',
+        duration: 2000
+      })
+      wx.setStorageSync('name', this.data.name);
+      wx.switchTab({
+        url: '../info/info',
+        success: function (e) {
+          var page = getCurrentPages().pop();
+          if (page == undefined || page == null) return;
+          page.onLoad();
+        }
+      })
+    }
+  },
+
+  /**
+   * back function
+   */
+  back:function(){
+    wx.switchTab({
+      url: '../post/post',
+      success: function (e) {
+        var page = getCurrentPages().pop();
+        if (page == undefined || page == null) return;
+        page.onLoad();
+      }
+    })    
+  }
+})